let bytes = new Uint8Array(1024);
console.log(bytes.length); // 1024
let matrix = new Float64Array(9);
console.log(matrix.length); // 9
let point = new Int16Array(3);
console.log(point.length); // 3
let rgba = new Uint8ClampedArray(4);
console.log(rgba.length); // 4
let sudoku = new Int8Array(81);
console.log(sudoku.length); // 81
